Peter G. Bergmann
The riddle of gravitation
Advances in the Interplay Between Quantum and Gravity Physics
Cosmology and gravitation
East Europe Reads Nietzsche
Spin in gravity
Basic theories of physics
Hamilton-Jacobi theory with mixed constraints
Introduction to the theory of relativity
Physics of Sound in the Sea
The Riddle of Gravitation: Revised and Updated Edition
Topological Properties and Global Structure of Space-Time
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